Chapter Number: 11
Question Type: Multiple Choice
1) Which of the following statements is true for most atoms?
a) In general, as the atomic radius increases, the first ionization energy increases.
b) In general, as the atomic radius increases, the first ionization energy decreases.
c) In general, as the first ionization energy decreases, the electronegativity increases.
d) No correct answer is given.
Answer: B
Difficulty: hard
Learning Objective 1:
Section Reference 1: Section 11.1
2) Which of the following statements is false?
a) In order for a covalent bond to form, the atomic orbitals of the atoms must overlap.
b) The most common ions for the representative elements can be predicted based on their tendency to attain the same electron configuration of the closest noble gas.
c) Ionization energies show a large decrease when electrons are removed from a noble gas-like configuration.
d) Ionic compounds exist as large aggregates of positive and negative ions.
Answer: C
Difficulty: hard
Learning Objective 1:
Section Reference 1: Section 11.3, 11.4, and11.5
3) Which of the following pairs is incorrectly matched?
Ion Electron Configuration
a Li+ 1s2
b Ga+ 1s22s22p63s23p64s2
c
1s22s22p6
d
1s22s22p63s23p6
Answer: B
Difficulty: medium
Learning Objective 1:
Section Reference 1: Section 11.3
4) Which structure represents the best Lewis structure for O2?
a)
b)
c)
d)
Answer: A
Difficulty: medium
Learning Objective 1:
Section Reference 1: Section 11.7
5) Choose the best Lewis structure for .
a) [ ]-
b) [ ]-
c) [ ]-
d) [ ]-
Answer: C
Difficulty: hard
Learning Objective 1:
Section Reference 1: Section 11.8
6) As one progresses from top to bottom of a group on the periodic table, atomic radius generally
a) increases.
b) decreases.
c) remains the same.
Answer: A
Difficulty: easy
Learning Objective 1:
Section Reference 1: Section 11.1
7) As one progresses left to right across a period on the periodic table, atomic radius generally
a) increases.
b) decreases.
c) remains the same.
Answer: B
Difficulty: easy
Learning Objective 1:
Section Reference 1: Section 11.1
8) As one progresses from top to bottom of a group on the periodic table, first ionization energy generally
a) increases.
b) decreases.
c) remains the same.
Answer: B
Difficulty: easy
Learning Objective 1:
Section Reference 1: Section 11.1
9) As one progresses left to right across a period on the periodic table, first ionization energy generally
a) increases.
b) decreases.
c) remains the same.
Answer: A
Difficulty: easy
Learning Objective 1:
Section Reference 1: Section 11.1
10) Atoms of the nonmetallic elements generally form ions by
a) gaining electrons, forming positive ions.
b) gaining electrons, forming negative ions.
c) losing electrons, forming positive ions.
d) losing electrons, forming negative ions.
Answer: B
Difficulty: easy
Learning Objective 1:
Section Reference 1: Section 11.3
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